Twin Valley, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Valley, a city in Norman County, Minnesota.
Tonight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. East wind 5 to 13 mph.
7-day forecast for Twin Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy | 5 to 13 mph E | 3% |
| Saturday | 71°F | Mostly Cloudy | 5 to 12 mph NE | 2% |
| Saturday Night | 50°F | Mostly Cloudy | 10 mph NE | 0% |
| Sunday | 67°F | Partly Sunny | 8 to 12 mph ENE | 0% |
| Sunday Night | 44°F | Mostly Cloudy | 6 to 9 mph E | 0% |
| Monday | 67°F | Mostly Sunny | 5 to 8 mph ESE | 1% |
| Monday Night | 42°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Tuesday | 67°F | Sunny | 8 to 14 mph SE | 0% |
| Tuesday Night | 45°F | Mostly Clear | 12 mph SSE | 2% |
| Wednesday | 68°F | Mostly Sunny | 12 to 16 mph SSE | 7% |
| Wednesday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 14 mph SSE | 16% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 13 mph S | 16% |
| Thursday Night | 52°F | Partly Cloudy | 10 mph SSE | 8% |
| Friday | 73°F | Mostly Sunny | 8 to 14 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Twin Valley (47.259, -96.259). Updated through the day.
Growing snapshot for Twin Valley
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4a
More local growing data for Twin Valley: nearby ZIP 56584 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ada, Mn (14.1 mi from Twin Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.